23 Pcs R8 Collet Set Fractional 1/16" to 3/4" High Precsion. Set Includes 1/16" - 3/4" R8 Collet Hardened And Precision Ground. Quantity: 23 Pcs/Set. 1/16", 3/32",1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8",13/32", 7/16", 15/32", 1/2", 17/32", 9/16", 19/32", 5/8", 21/32",11/16", 23/32", 3/4".
eBay